diff --git a/lib/models/gitee.dart b/lib/models/gitee.dart
index 4ac10dc..8073af8 100644
--- a/lib/models/gitee.dart
+++ b/lib/models/gitee.dart
@@ -124,6 +124,15 @@ class GiteeBlob {
       _$GiteeBlobFromJson(json);
 }
 
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GiteeLabel {
+  String color;
+  String name;
+  GiteeLabel();
+  factory GiteeLabel.fromJson(Map<String, dynamic> json) =>
+      _$GiteeLabelFromJson(json);
+}
+
 @JsonSerializable(fieldRename: FieldRename.snake)
 class GiteeIssue {
   int comments;
@@ -138,6 +147,7 @@ class GiteeIssue {
   GiteeRepo repository;
   GiteeRepoOwner user;
   String number;
+  List<GiteeLabel> labels;
   int id;
   GiteeIssue();
   factory GiteeIssue.fromJson(Map<String, dynamic> json) =>
@@ -155,6 +165,7 @@ class GiteePull {
   String title;
   String state;
   GiteeRepoOwner user;
+  List<GiteeLabel> labels;
   int number;
   int id;
   GiteePull();
@@ -211,3 +222,20 @@ class GiteeCommitFile {
   factory GiteeCommitFile.fromJson(Map<String, dynamic> json) =>
       _$GiteeCommitFileFromJson(json);
 }
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GiteeContributor {
+  String name;
+  int contributions;
+  GiteeContributor();
+  factory GiteeContributor.fromJson(Map<String, dynamic> json) =>
+      _$GiteeContributorFromJson(json);
+}
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GiteeBranch {
+  String name;
+  GiteeBranch();
+  factory GiteeBranch.fromJson(Map<String, dynamic> json) =>
+      _$GiteeBranchFromJson(json);
+}
diff --git a/lib/models/gitee.g.dart b/lib/models/gitee.g.dart
index 05870a4..df9af50 100644
--- a/lib/models/gitee.g.dart
+++ b/lib/models/gitee.g.dart
@@ -206,6 +206,18 @@ Map<String, dynamic> _$GiteeBlobToJson(GiteeBlob instance) => <String, dynamic>{
       'content': instance.content,
     };
 
+GiteeLabel _$GiteeLabelFromJson(Map<String, dynamic> json) {
+  return GiteeLabel()
+    ..color = json['color'] as String
+    ..name = json['name'] as String;
+}
+
+Map<String, dynamic> _$GiteeLabelToJson(GiteeLabel instance) =>
+    <String, dynamic>{
+      'color': instance.color,
+      'name': instance.name,
+    };
+
 GiteeIssue _$GiteeIssueFromJson(Map<String, dynamic> json) {
   return GiteeIssue()
     ..comments = json['comments'] as int
@@ -224,6 +236,10 @@ GiteeIssue _$GiteeIssueFromJson(Map<String, dynamic> json) {
         ? null
         : GiteeRepoOwner.fromJson(json['user'] as Map<String, dynamic>)
     ..number = json['number'] as String
+    ..labels = (json['labels'] as List)
+        ?.map((e) =>
+            e == null ? null : GiteeLabel.fromJson(e as Map<String, dynamic>))
+        ?.toList()
     ..id = json['id'] as int;
 }
 
@@ -241,6 +257,7 @@ Map<String, dynamic> _$GiteeIssueToJson(GiteeIssue instance) =>
       'repository': instance.repository,
       'user': instance.user,
       'number': instance.number,
+      'labels': instance.labels,
       'id': instance.id,
     };
 
@@ -257,6 +274,10 @@ GiteePull _$GiteePullFromJson(Map<String, dynamic> json) {
     ..user = json['user'] == null
         ? null
         : GiteeRepoOwner.fromJson(json['user'] as Map<String, dynamic>)
+    ..labels = (json['labels'] as List)
+        ?.map((e) =>
+            e == null ? null : GiteeLabel.fromJson(e as Map<String, dynamic>))
+        ?.toList()
     ..number = json['number'] as int
     ..id = json['id'] as int;
 }
@@ -271,6 +292,7 @@ Map<String, dynamic> _$GiteePullToJson(GiteePull instance) => <String, dynamic>{
       'title': instance.title,
       'state': instance.state,
       'user': instance.user,
+      'labels': instance.labels,
       'number': instance.number,
       'id': instance.id,
     };
@@ -349,3 +371,24 @@ Map<String, dynamic> _$GiteeCommitFileToJson(GiteeCommitFile instance) =>
       'status': instance.status,
       'patch': instance.patch,
     };
+
+GiteeContributor _$GiteeContributorFromJson(Map<String, dynamic> json) {
+  return GiteeContributor()
+    ..name = json['name'] as String
+    ..contributions = json['contributions'] as int;
+}
+
+Map<String, dynamic> _$GiteeContributorToJson(GiteeContributor instance) =>
+    <String, dynamic>{
+      'name': instance.name,
+      'contributions': instance.contributions,
+    };
+
+GiteeBranch _$GiteeBranchFromJson(Map<String, dynamic> json) {
+  return GiteeBranch()..name = json['name'] as String;
+}
+
+Map<String, dynamic> _$GiteeBranchToJson(GiteeBranch instance) =>
+    <String, dynamic>{
+      'name': instance.name,
+    };
diff --git a/lib/models/theme.dart b/lib/models/theme.dart
index 3c25f10..eec9690 100644
--- a/lib/models/theme.dart
+++ b/lib/models/theme.dart
@@ -317,39 +317,80 @@ class ThemeModel with ChangeNotifier {
     await showCupertinoModalPopup(
       context: context,
       builder: (context) {
-        return Container(
-          height: 216,
-          child: CupertinoPicker(
-            backgroundColor: palette.background,
-            children: <Widget>[
-              for (var v in groupItem.items)
-                Text(v.text, style: TextStyle(color: palette.text)),
-            ],
-            itemExtent: 40,
-            scrollController: FixedExtentScrollController(
-                initialItem: groupItem.items
-                    .toList()
-                    .indexWhere((v) => v.value == groupItem.value)),
-            onSelectedItemChanged: (index) {
-              _selectedItem = groupItem.items[index].value;
+        return Column(
+          mainAxisAlignment: MainAxisAlignment.end,
+          children: [
+            Container(
+              alignment: Alignment.bottomCenter,
+              decoration: BoxDecoration(
+                color: palette.background,
+                border: Border(
+                  bottom: BorderSide(
+                    color: palette.grayBackground,
+                    width: 0.0,
+                  ),
+                ),
+              ),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: <Widget>[
+                  CupertinoButton(
+                    child: Text('Cancel'),
+                    onPressed: () {
+                      Navigator.pop(context);
+                      _selectedItem = groupItem.value;
+                    },
+                    padding: const EdgeInsets.symmetric(
+                      horizontal: 16.0,
+                      vertical: 5.0,
+                    ),
+                  ),
+                  CupertinoButton(
+                    child: Text('Confirm'),
+                    onPressed: () {
+                      Navigator.pop(context);
+                      groupItem.onClose(_selectedItem);
+                    },
+                    padding: const EdgeInsets.symmetric(
+                      horizontal: 16.0,
+                      vertical: 5.0,
+                    ),
+                  )
+                ],
+              ),
+            ),
+            Container(
+              height: 216,
+              child: CupertinoPicker(
+                backgroundColor: palette.background,
+                children: <Widget>[
+                  for (var v in groupItem.items)
+                    Text(v.text, style: TextStyle(color: palette.text)),
+                ],
+                itemExtent: 40,
+                scrollController: FixedExtentScrollController(
+                    initialItem: groupItem.items
+                        .toList()
+                        .indexWhere((v) => v.value == groupItem.value)),
+                onSelectedItemChanged: (index) {
+                  _selectedItem = groupItem.items[index].value;
 
-              if (groupItem.onChange != null) {
-                if (_debounce?.isActive ?? false) {
-                  _debounce.cancel();
-                }
+                  if (groupItem.onChange != null) {
+                    if (_debounce?.isActive ?? false) {
+                      _debounce.cancel();
+                    }
 
-                _debounce = Timer(const Duration(milliseconds: 500), () {
-                  groupItem.onChange(_selectedItem);
-                });
-              }
-            },
-          ),
+                    _debounce = Timer(const Duration(milliseconds: 500), () {
+                      groupItem.onChange(_selectedItem);
+                    });
+                  }
+                },
+              ),
+            )
+          ],
         );
       },
     );
-    if (groupItem.onClose != null) {
-      groupItem.onClose(_selectedItem);
-    }
   }
 
   showActions(BuildContext context, List<ActionItem> actionItems) async {
diff --git a/lib/router.dart b/lib/router.dart
index fccc269..ef136f9 100644
--- a/lib/router.dart
+++ b/lib/router.dart
@@ -12,6 +12,7 @@ import 'package:git_touch/screens/code_theme.dart';
 import 'package:git_touch/screens/ge_blob.dart';
 import 'package:git_touch/screens/ge_commit.dart';
 import 'package:git_touch/screens/ge_commits.dart';
+import 'package:git_touch/screens/ge_contributors.dart';
 import 'package:git_touch/screens/ge_files.dart';
 import 'package:git_touch/screens/ge_issue.dart';
 import 'package:git_touch/screens/ge_issue_comment.dart';
@@ -81,10 +82,12 @@ class CommonRouter {
     CommonRouter.login,
     CommonRouter.settings
   ];
-  static final codeTheme = RouterScreen('/choose-code-theme', (context, p) {
+  static final codeTheme =
+      RouterScreen('/choose-code-theme', (context, parameters) {
     return CodeThemeScreen();
   });
-  static final login = RouterScreen('/login', (context, p) => LoginScreen());
+  static final login =
+      RouterScreen('/login', (context, parameters) => LoginScreen());
   static final settings =
       RouterScreen('/settings', (context, parameters) => SettingsScreen());
 }
@@ -109,9 +112,9 @@ class GithubRouter {
     GithubRouter.gistObject,
     GithubRouter.compare,
   ];
-  static final user = RouterScreen('/:login', (_, p) {
-    final login = p['login'].first;
-    final tab = p['tab']?.first;
+  static final user = RouterScreen('/:login', (context, parameters) {
+    final login = parameters['login'].first;
+    final tab = parameters['tab']?.first;
     switch (tab) {
       case 'followers':
         return GhUsersScreen(login, UsersScreenType.follower);
@@ -135,75 +138,93 @@ class GithubRouter {
         return GhUserScreen(login);
     }
   });
-  static final repo = RouterScreen('/:owner/:name', (_, p) {
-    if (p['ref'] == null) {
-      return GhRepoScreen(p['owner'].first, p['name'].first);
+  static final repo = RouterScreen('/:owner/:name', (context, parameters) {
+    if (parameters['ref'] == null) {
+      return GhRepoScreen(parameters['owner'].first, parameters['name'].first);
     } else {
-      return GhRepoScreen(p['owner'].first, p['name'].first,
-          branch: p['ref'].first);
+      return GhRepoScreen(parameters['owner'].first, parameters['name'].first,
+          branch: parameters['ref'].first);
     }
   });
-  static final gistObject = RouterScreen('/:login/gists/:id/:file', (_, p) {
+  static final gistObject =
+      RouterScreen('/:login/gists/:id/:file', (context, parameters) {
     return GistObjectScreen(
-      p['login'].first,
-      p['id'].first,
-      p['file'].first,
-      raw: p['raw']?.first,
-      content: p['content'].first,
+      parameters['login'].first,
+      parameters['id'].first,
+      parameters['file'].first,
+      raw: parameters['raw']?.first,
+      content: parameters['content'].first,
     );
   });
-  static final gistFiles = RouterScreen('/:login/gists/:id', (_, p) {
-    return GhGistsFilesScreen(p['login'].first, p['id'].first);
+  static final gistFiles =
+      RouterScreen('/:login/gists/:id', (context, parameters) {
+    return GhGistsFilesScreen(
+        parameters['login'].first, parameters['id'].first);
   });
-  static final issueAdd = RouterScreen('/:owner/:name/issues/new', (_, p) {
-    return GhIssueFormScreen(p['owner'].first, p['name'].first);
+  static final issueAdd =
+      RouterScreen('/:owner/:name/issues/new', (context, parameters) {
+    return GhIssueFormScreen(
+        parameters['owner'].first, parameters['name'].first);
   });
-  static final issues = RouterScreen('/:owner/:name/issues',
-      (context, p) => GhIssuesScreen(p['owner'].first, p['name'].first));
-  static final pulls = RouterScreen('/:owner/:name/pulls',
-      (context, p) => GhPullsScreen(p['owner'].first, p['name'].first));
+  static final issues = RouterScreen(
+      '/:owner/:name/issues',
+      (context, parameters) =>
+          GhIssuesScreen(parameters['owner'].first, parameters['name'].first));
+  static final pulls = RouterScreen(
+      '/:owner/:name/pulls',
+      (context, parameters) =>
+          GhPullsScreen(parameters['owner'].first, parameters['name'].first));
   static final issue = RouterScreen(
       '/:owner/:name/issues/:number',
-      (context, p) => GhIssueScreen(
-          p['owner'].first, p['name'].first, int.parse(p['number'].first)));
+      (context, parameters) => GhIssueScreen(parameters['owner'].first,
+          parameters['name'].first, int.parse(parameters['number'].first)));
   static final pull = RouterScreen(
       '/:owner/:name/pull/:number',
-      (context, p) => GhIssueScreen(
-          p['owner'].first, p['name'].first, int.parse(p['number'].first),
+      (context, parameters) => GhIssueScreen(parameters['owner'].first,
+          parameters['name'].first, int.parse(parameters['number'].first),
           isPullRequest: true));
   static final files = RouterScreen(
       '/:owner/:name/pull/:number/files',
-      (context, p) => GhFilesScreen(
-            p['owner'].first,
-            p['name'].first,
-            int.parse(p['number'].first),
+      (context, parameters) => GhFilesScreen(
+            parameters['owner'].first,
+            parameters['name'].first,
+            int.parse(parameters['number'].first),
           ));
   static final compare = RouterScreen(
       '/:owner/:name/compare/:before/:head',
-      (context, p) => GhComparisonScreen(p['owner'].first, p['name'].first,
-          p['before'].first, p['head'].first));
-  static final commits = RouterScreen('/:owner/:name/commits',
-      (context, p) => GhCommitsScreen(p['owner'].first, p['name'].first));
-  static final object = RouterScreen('/:owner/:name/blob/:ref', (_, p) {
+      (context, parameters) => GhComparisonScreen(
+          parameters['owner'].first,
+          parameters['name'].first,
+          parameters['before'].first,
+          parameters['head'].first));
+  static final commits = RouterScreen(
+      '/:owner/:name/commits',
+      (context, parameters) =>
+          GhCommitsScreen(parameters['owner'].first, parameters['name'].first));
+  static final object =
+      RouterScreen('/:owner/:name/blob/:ref', (context, parameters) {
     return GhObjectScreen(
-      p['owner'].first,
-      p['name'].first,
-      p['ref'].first,
-      path: p['path']?.first,
-      raw: p['raw']?.first,
+      parameters['owner'].first,
+      parameters['name'].first,
+      parameters['ref'].first,
+      path: parameters['path']?.first,
+      raw: parameters['raw']?.first,
     );
   });
-  static final stargazers = RouterScreen('/:owner/:name/stargazers', (_, p) {
-    return GhUsersScreen(p['owner'].first, UsersScreenType.star,
-        repoName: p['name'].first);
+  static final stargazers =
+      RouterScreen('/:owner/:name/stargazers', (context, parameters) {
+    return GhUsersScreen(parameters['owner'].first, UsersScreenType.star,
+        repoName: parameters['name'].first);
   });
-  static final watchers = RouterScreen('/:owner/:name/watchers', (_, p) {
-    return GhUsersScreen(p['owner'].first, UsersScreenType.watch,
-        repoName: p['name'].first);
+  static final watchers =
+      RouterScreen('/:owner/:name/watchers', (context, parameters) {
+    return GhUsersScreen(parameters['owner'].first, UsersScreenType.watch,
+        repoName: parameters['name'].first);
   });
   static final contributors =
-      RouterScreen('/:owner/:name/contributors', (_, p) {
-    return GhContributorsScreen(p['owner'].first, p['name'].first);
+      RouterScreen('/:owner/:name/contributors', (context, parameters) {
+    return GhContributorsScreen(
+        parameters['owner'].first, parameters['name'].first);
   });
 }
 
@@ -224,44 +245,50 @@ class GitlabRouter {
     GitlabRouter.groupMembers,
     GitlabRouter.issue,
   ];
-  static final user = RouterScreen(
-      '/user/:id', (context, p) => GlUserScreen(int.parse(p['id'].first)));
+  static final user = RouterScreen('/user/:id',
+      (context, parameters) => GlUserScreen(int.parse(parameters['id'].first)));
   static final group = RouterScreen(
-      '/group/:id', (context, p) => GlGroupScreen(int.parse(p['id'].first)));
+      '/group/:id',
+      (context, parameters) =>
+          GlGroupScreen(int.parse(parameters['id'].first)));
   static final blob = RouterScreen(
       '/projects/:id/blob/:ref',
-      (context, params) => GlBlobScreen(
-          int.parse(params['id'].first), params['ref'].first,
-          path: params['path']?.first));
+      (context, parameters) => GlBlobScreen(
+          int.parse(parameters['id'].first), parameters['ref'].first,
+          path: parameters['path']?.first));
   static final tree = RouterScreen(
       '/projects/:id/tree/:ref',
-      (context, params) => GlTreeScreen(
-          int.parse(params['id'].first), params['ref'].first,
-          path: params['path']?.first));
-  static final project = RouterScreen('/projects/:id',
-      (context, params) => GlProjectScreen(int.parse(params['id'].first)));
-  static final starrers = RouterScreen('/projects/:id/starrers',
-      (context, params) => GlStarrersScreen(int.parse(params['id'].first)));
+      (context, parameters) => GlTreeScreen(
+          int.parse(parameters['id'].first), parameters['ref'].first,
+          path: parameters['path']?.first));
+  static final project = RouterScreen(
+      '/projects/:id',
+      (context, parameters) =>
+          GlProjectScreen(int.parse(parameters['id'].first)));
+  static final starrers = RouterScreen(
+      '/projects/:id/starrers',
+      (context, parameters) =>
+          GlStarrersScreen(int.parse(parameters['id'].first)));
   static final issues = RouterScreen(
       '/projects/:id/issues',
-      (context, params) => GlIssuesScreen(
-            params['id'].first,
-            prefix: params['prefix'].first,
+      (context, parameters) => GlIssuesScreen(
+            parameters['id'].first,
+            prefix: parameters['prefix'].first,
           ));
   static final mergeRequests = RouterScreen(
       '/projects/:id/merge_requests',
-      (context, params) => GlMergeRequestsScreen(
-            params['id'].first,
-            prefix: params['prefix'].first,
+      (context, parameters) => GlMergeRequestsScreen(
+            parameters['id'].first,
+            prefix: parameters['prefix'].first,
           ));
   static final commits = RouterScreen(
       '/projects/:id/commits',
-      (context, params) =>
-          GlCommitsScreen(params['id'].first, prefix: params['prefix'].first));
+      (context, parameters) => GlCommitsScreen(parameters['id'].first,
+          prefix: parameters['prefix'].first));
   static final commit = RouterScreen(
       '/projects/:id/commit/:sha',
-      (context, params) =>
-          GlCommitScreen(params['id'].first, sha: params['sha'].first));
+      (context, parameters) =>
+          GlCommitScreen(parameters['id'].first, sha: parameters['sha'].first));
   static final projectMembers = RouterScreen(
       '/projects/:id/members',
       (context, parameters) =>
@@ -272,10 +299,10 @@ class GitlabRouter {
           GlMembersScreen(int.parse(parameters['id'].first), 'groups'));
   static final issue = RouterScreen(
     '/gitlab/projects/:id/issues/:iid',
-    (context, params) {
+    (context, parameters) {
       return GlIssueScreen(
-        int.parse(params['id'].first),
-        int.parse(params['iid'].first),
+        int.parse(parameters['id'].first),
+        int.parse(parameters['iid'].first),
       );
     },
   );
@@ -297,9 +324,9 @@ class GiteaRouter {
   ];
   static final status =
       RouterScreen('/status', (context, parameters) => GtStatusScreen());
-  static final user = RouterScreen('/:login', (context, p) {
-    final login = p['login'].first;
-    final tab = p['tab']?.first;
+  static final user = RouterScreen('/:login', (context, parameters) {
+    final login = parameters['login'].first;
+    final tab = parameters['tab']?.first;
     switch (tab) {
       case 'followers':
         return GtUsersScreen.followers(login);
@@ -321,32 +348,45 @@ class GiteaRouter {
   });
   static final repo = RouterScreen(
     '/:owner/:name',
-    (context, params) =>
-        GtRepoScreen(params['owner'].first, params['name'].first),
+    (context, parameters) =>
+        GtRepoScreen(parameters['owner'].first, parameters['name'].first),
   );
   static final object = RouterScreen(
     '/:owner/:name/blob',
-    (context, params) => GtObjectScreen(
-      params['owner'].first,
-      params['name'].first,
-      path: params['path']?.first,
+    (context, parameters) => GtObjectScreen(
+      parameters['owner'].first,
+      parameters['name'].first,
+      path: parameters['path']?.first,
     ),
   );
-  static final stargazers = RouterScreen('/:owner/:name/stargazers', (_, p) {
-    return GtUsersScreen.stargazers(p['owner'].first, p['name'].first);
+  static final stargazers =
+      RouterScreen('/:owner/:name/stargazers', (context, parameters) {
+    return GtUsersScreen.stargazers(
+        parameters['owner'].first, parameters['name'].first);
   });
-  static final watchers = RouterScreen('/:owner/:name/watchers', (_, p) {
-    return GtUsersScreen.watchers(p['owner'].first, p['name'].first);
+  static final watchers =
+      RouterScreen('/:owner/:name/watchers', (context, parameters) {
+    return GtUsersScreen.watchers(
+        parameters['owner'].first, parameters['name'].first);
   });
-  static final forks = RouterScreen('/:owner/:name/forks', (_, p) {
-    return GtReposScreen.forks(p['owner'].first, p['name'].first);
+  static final forks =
+      RouterScreen('/:owner/:name/forks', (context, parameters) {
+    return GtReposScreen.forks(
+        parameters['owner'].first, parameters['name'].first);
   });
-  static final commits = RouterScreen('/:owner/:name/commits',
-      (_, p) => GtCommitsScreen(p['owner'].first, p['name'].first));
-  static final issues = RouterScreen('/:owner/:name/issues',
-      (_, p) => GtIssuesScreen(p['owner'].first, p['name'].first));
-  static final pulls = RouterScreen('/:owner/:name/pulls',
-      (_, p) => GtIssuesScreen(p['owner'].first, p['name'].first, isPr: true));
+  static final commits = RouterScreen(
+      '/:owner/:name/commits',
+      (context, parameters) =>
+          GtCommitsScreen(parameters['owner'].first, parameters['name'].first));
+  static final issues = RouterScreen(
+      '/:owner/:name/issues',
+      (context, parameters) =>
+          GtIssuesScreen(parameters['owner'].first, parameters['name'].first));
+  static final pulls = RouterScreen(
+      '/:owner/:name/pulls',
+      (context, parameters) => GtIssuesScreen(
+          parameters['owner'].first, parameters['name'].first,
+          isPr: true));
 }
 
 class BitbucketRouter {
@@ -364,40 +404,46 @@ class BitbucketRouter {
   ];
   static final user = RouterScreen(
       '/:login',
-      (context, params) => BbUserScreen(params['login'].first,
-          isTeam: params['team'].first == '1'));
+      (context, parameters) => BbUserScreen(parameters['login'].first,
+          isTeam: parameters['team'].first == '1'));
   static final repo = RouterScreen(
     '/:owner/:name',
-    (context, params) =>
-        BbRepoScreen(params['owner'].first, params['name'].first),
+    (context, parameters) =>
+        BbRepoScreen(parameters['owner'].first, parameters['name'].first),
   );
   static final object = RouterScreen(
     '/:owner/:name/src/:ref',
-    (context, params) => BbObjectScreen(
-      params['owner'].first,
-      params['name'].first,
-      params['ref'].first,
-      path: params['path']?.first,
+    (context, parameters) => BbObjectScreen(
+      parameters['owner'].first,
+      parameters['name'].first,
+      parameters['ref'].first,
+      path: parameters['path']?.first,
     ),
   );
-  static final issues = RouterScreen('/:owner/:name/issues',
-      (_, p) => BbIssuesScreen(p['owner'].first, p['name'].first));
+  static final issues = RouterScreen(
+      '/:owner/:name/issues',
+      (context, parameters) =>
+          BbIssuesScreen(parameters['owner'].first, parameters['name'].first));
   static final commits = RouterScreen(
       '/:owner/:name/commits/:ref',
-      (_, p) =>
-          BbCommitsScreen(p['owner'].first, p['name'].first, p['ref'].first));
-  static final pulls = RouterScreen('/:owner/:name/pulls',
-      (_, p) => BbPullsScreen(p['owner'].first, p['name'].first));
-  static final issueAdd = RouterScreen('/:owner/:name/issues/new',
-      (_, p) => BbIssueFormScreen(p['owner'].first, p['name'].first));
+      (context, parameters) => BbCommitsScreen(parameters['owner'].first,
+          parameters['name'].first, parameters['ref'].first));
+  static final pulls = RouterScreen(
+      '/:owner/:name/pulls',
+      (context, parameters) =>
+          BbPullsScreen(parameters['owner'].first, parameters['name'].first));
+  static final issueAdd = RouterScreen(
+      '/:owner/:name/issues/new',
+      (context, parameters) => BbIssueFormScreen(
+          parameters['owner'].first, parameters['name'].first));
   static final issue = RouterScreen(
       '/:owner/:name/issues/:number',
-      (_, p) =>
-          BbIssueScreen(p['owner'].first, p['name'].first, p['number'].first));
+      (context, parameters) => BbIssueScreen(parameters['owner'].first,
+          parameters['name'].first, parameters['number'].first));
   static final issueComment = RouterScreen(
       '/:owner/:name/issues/:number/comment',
-      (_, p) => BbIssueCommentScreen(
-          p['owner'].first, p['name'].first, p['number'].first));
+      (context, parameters) => BbIssueCommentScreen(parameters['owner'].first,
+          parameters['name'].first, parameters['number'].first));
 }
 
 class GiteeRouter {
@@ -421,13 +467,14 @@ class GiteeRouter {
     GiteeRouter.pullComment,
     GiteeRouter.files,
     GiteeRouter.commit,
+    GiteeRouter.contributors,
   ];
   static final search = RouterScreen('/search', (context, parameters) {
     return GeSearchScreen();
   });
-  static final user = RouterScreen('/:login', (context, p) {
-    final login = p['login'].first;
-    final tab = p['tab']?.first;
+  static final user = RouterScreen('/:login', (context, parameters) {
+    final login = parameters['login'].first;
+    final tab = parameters['tab']?.first;
     switch (tab) {
       case 'followers':
         return GeUsersScreen.followers(login);
@@ -444,21 +491,37 @@ class GiteeRouter {
   });
   static final repo = RouterScreen(
     '/:owner/:name',
-    (context, params) =>
-        GeRepoScreen(params['owner'].first, params['name'].first),
+    (context, parameters) {
+      if (parameters['branch'] == null) {
+        return GeRepoScreen(
+            parameters['owner'].first, parameters['name'].first);
+      } else {
+        return GeRepoScreen(parameters['owner'].first, parameters['name'].first,
+            branch: parameters['branch'].first);
+      }
+    },
   );
-  static final stargazers = RouterScreen('/:owner/:name/stargazers', (_, p) {
-    return GeUsersScreen.stargazers(p['owner'].first, p['name'].first);
+  static final stargazers =
+      RouterScreen('/:owner/:name/stargazers', (context, parameters) {
+    return GeUsersScreen.stargazers(
+        parameters['owner'].first, parameters['name'].first);
   });
-  static final watchers = RouterScreen('/:owner/:name/watchers', (_, p) {
-    return GeUsersScreen.watchers(p['owner'].first, p['name'].first);
+  static final watchers =
+      RouterScreen('/:owner/:name/watchers', (context, parameters) {
+    return GeUsersScreen.watchers(
+        parameters['owner'].first, parameters['name'].first);
   });
-  static final forks = RouterScreen('/:owner/:name/forks', (_, p) {
-    return GeReposScreen.forks(p['owner'].first, p['name'].first);
+  static final forks =
+      RouterScreen('/:owner/:name/forks', (context, parameters) {
+    return GeReposScreen.forks(
+        parameters['owner'].first, parameters['name'].first);
   });
   static final commits = RouterScreen(
     '/:owner/:name/commits',
-    (_, p) => GeCommitsScreen(p['owner'].first, p['name'].first),
+    (context, parameters) => GeCommitsScreen(
+        parameters['owner'].first, parameters['name'].first,
+        branch:
+            parameters['branch'] != null ? parameters['branch'].first : null),
   );
   static final tree = RouterScreen(
     '/:owner/:name/tree/:sha',
@@ -543,4 +606,9 @@ class GiteeRouter {
     (context, parameters) => GeCommitScreen(parameters['owner'].first,
         parameters['name'].first, parameters['sha'].first),
   );
+  static final contributors = RouterScreen(
+    '/:owner/:name/contributors',
+    (context, parameters) => GeContributorsScreen(
+        parameters['owner'].first, parameters['name'].first),
+  );
 }
diff --git a/lib/screens/ge_commits.dart b/lib/screens/ge_commits.dart
index 36189ad..501ad47 100644
--- a/lib/screens/ge_commits.dart
+++ b/lib/screens/ge_commits.dart
@@ -10,17 +10,17 @@ import '../generated/l10n.dart';
 class GeCommitsScreen extends StatelessWidget {
   final String owner;
   final String name;
-  // final String branch; // TODO:
-  GeCommitsScreen(this.owner, this.name);
+  final String branch;
+  GeCommitsScreen(this.owner, this.name, {this.branch});
 
   @override
   Widget build(BuildContext context) {
     return ListStatefulScaffold<GiteeCommit, int>(
       title: AppBarTitle(S.of(context).commits),
       fetch: (page) async {
-        final res = await context
-            .read<AuthModel>()
-            .fetchGiteeWithPage('/repos/$owner/$name/commits', page: page);
+        final res = await context.read<AuthModel>().fetchGiteeWithPage(
+            '/repos/$owner/$name/commits?sha=$branch',
+            page: page);
         return ListPayload(
           cursor: res.cursor,
           hasMore: res.hasMore,
diff --git a/lib/screens/ge_contributors.dart b/lib/screens/ge_contributors.dart
new file mode 100644
index 0000000..98de455
--- /dev/null
+++ b/lib/screens/ge_contributors.dart
@@ -0,0 +1,80 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:git_touch/models/gitee.dart';
+import 'package:git_touch/models/theme.dart';
+import 'package:git_touch/scaffolds/list_stateful.dart';
+import 'package:git_touch/utils/utils.dart';
+import 'package:git_touch/widgets/app_bar_title.dart';
+import 'package:provider/provider.dart';
+import 'package:git_touch/models/auth.dart';
+import '../generated/l10n.dart';
+
+class GeContributorsScreen extends StatelessWidget {
+  final String owner;
+  final String name;
+  GeContributorsScreen(this.owner, this.name);
+
+  Widget build(BuildContext context) {
+    return ListStatefulScaffold<GiteeContributor, int>(
+      title: AppBarTitle(S.of(context).contributors),
+      fetch: (page) async {
+        page = page ?? 1;
+        final res = await context
+            .read<AuthModel>()
+            .fetchGiteeWithPage('/repos/$owner/$name/contributors')
+            .then((v) {
+          return [
+            for (var contributor in v.data)
+              GiteeContributor.fromJson(contributor)
+          ];
+        });
+        return ListPayload(
+          cursor: page + 1,
+          items: res,
+          hasMore: res.isNotEmpty,
+        );
+      },
+      itemBuilder: (v) {
+        final theme = context.read<ThemeModel>();
+        return Container(
+          padding: CommonStyle.padding,
+          child: Row(
+            children: <Widget>[
+              SizedBox(width: 10),
+              Expanded(
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: <Widget>[
+                    Row(
+                      children: <Widget>[
+                        Text(
+                          v.name,
+                          style: TextStyle(
+                            color: theme.palette.primary,
+                            fontSize: 18,
+                            fontWeight: FontWeight.w600,
+                          ),
+                        ),
+                      ],
+                    ),
+                    SizedBox(height: 6),
+                    if (v.contributions != null)
+                      DefaultTextStyle(
+                        style: TextStyle(
+                          color: theme.palette.secondaryText,
+                          fontSize: 16,
+                        ),
+                        child: Text(
+                            "Contributions: " + v.contributions.toString()),
+                      ),
+                  ],
+                ),
+              )
+            ],
+          ),
+        );
+      },
+    );
+  }
+}
diff --git a/lib/screens/ge_issues.dart b/lib/screens/ge_issues.dart
index c3f9555..e5197ae 100644
--- a/lib/screens/ge_issues.dart
+++ b/lib/screens/ge_issues.dart
@@ -6,6 +6,7 @@ import 'package:git_touch/utils/utils.dart';
 import 'package:git_touch/widgets/action_entry.dart';
 import 'package:git_touch/widgets/app_bar_title.dart';
 import 'package:git_touch/widgets/issue_item.dart';
+import 'package:git_touch/widgets/label.dart';
 import 'package:provider/provider.dart';
 
 class GeIssuesScreen extends StatelessWidget {
@@ -40,6 +41,12 @@ class GeIssuesScreen extends StatelessWidget {
         title: p.title,
         updatedAt: DateTime.parse(p.updatedAt),
         url: '/gitee/$owner/$name/issues/${p.number}',
+        labels: p.labels.isEmpty
+            ? null
+            : Wrap(spacing: 4, runSpacing: 4, children: [
+                for (var label in p.labels)
+                  MyLabel(name: label.name, cssColor: label.color)
+              ]),
       ),
     );
   }
diff --git a/lib/screens/ge_pulls.dart b/lib/screens/ge_pulls.dart
index 0971bc4..8b91433 100644
--- a/lib/screens/ge_pulls.dart
+++ b/lib/screens/ge_pulls.dart
@@ -4,6 +4,7 @@ import 'package:git_touch/models/gitee.dart';
 import 'package:git_touch/scaffolds/list_stateful.dart';
 import 'package:git_touch/widgets/app_bar_title.dart';
 import 'package:git_touch/widgets/issue_item.dart';
+import 'package:git_touch/widgets/label.dart';
 import 'package:provider/provider.dart';
 
 class GePullsScreen extends StatelessWidget {
@@ -34,6 +35,12 @@ class GePullsScreen extends StatelessWidget {
         title: p.title,
         updatedAt: DateTime.parse(p.updatedAt),
         url: '/gitee/$owner/$name/pulls/${p.number}',
+        labels: p.labels.isEmpty
+            ? null
+            : Wrap(spacing: 4, runSpacing: 4, children: [
+                for (var label in p.labels)
+                  MyLabel(name: label.name, cssColor: label.color)
+              ]),
       ),
     );
   }
diff --git a/lib/screens/ge_repo.dart b/lib/screens/ge_repo.dart
index 5172b55..0a6bfee 100644
--- a/lib/screens/ge_repo.dart
+++ b/lib/screens/ge_repo.dart
@@ -1,8 +1,8 @@
 import 'dart:convert';
-
 import 'package:flutter/material.dart';
 import 'package:git_touch/models/auth.dart';
 import 'package:git_touch/models/gitee.dart';
+import 'package:git_touch/models/theme.dart';
 import 'package:git_touch/scaffolds/refresh_stateful.dart';
 import 'package:git_touch/utils/utils.dart';
 import 'package:git_touch/widgets/app_bar_title.dart';
@@ -18,11 +18,13 @@ import '../generated/l10n.dart';
 class GeRepoScreen extends StatelessWidget {
   final String owner;
   final String name;
-  GeRepoScreen(this.owner, this.name);
+  final String branch;
+  GeRepoScreen(this.owner, this.name, {this.branch});
 
   @override
   Widget build(BuildContext context) {
-    return RefreshStatefulScaffold<Tuple2<GiteeRepo, MarkdownViewData>>(
+    return RefreshStatefulScaffold<
+        Tuple3<GiteeRepo, MarkdownViewData, List<GiteeBranch>>>(
       title: AppBarTitle(S.of(context).repository),
       fetch: () async {
         final auth = context.read<AuthModel>();
@@ -43,11 +45,16 @@ class GeRepoScreen extends StatelessWidget {
               return utf8.decode(res.bodyBytes).normalizedHtml;
             });
         final readmeData = MarkdownViewData(context, md: md, html: html);
-
-        return Tuple2(repo, readmeData);
+        final branches =
+            await auth.fetchGitee('/repos/$owner/$name/branches').then((v) {
+          return [for (var branch in v) GiteeBranch.fromJson(branch)];
+        });
+        return Tuple3(repo, readmeData, branches);
       },
       bodyBuilder: (t, setState) {
         final p = t.item1;
+        final branches = t.item3;
+        final theme = context.read<ThemeModel>();
         return Column(
           crossAxisAlignment: CrossAxisAlignment.stretch,
           children: <Widget>[
@@ -86,7 +93,8 @@ class GeRepoScreen extends StatelessWidget {
                   leftIconData: Octicons.code,
                   text: Text('Code'),
                   rightWidget: Text(p.license ?? ''),
-                  url: '/gitee/$owner/$name/tree/${p.defaultBranch}',
+                  url:
+                      '/gitee/$owner/$name/tree/${branch == null ? p.defaultBranch : branch}',
                 ),
                 TableViewItem(
                   leftIconData: Octicons.issue_opened,
@@ -103,8 +111,42 @@ class GeRepoScreen extends StatelessWidget {
                 TableViewItem(
                   leftIconData: Octicons.history,
                   text: Text('Commits'),
-                  url: '/gitee/$owner/$name/commits',
+                  url:
+                      '/gitee/$owner/$name/commits?branch=${branch == null ? p.defaultBranch : branch}',
                 ),
+                if (branches != null)
+                  TableViewItem(
+                    leftIconData: Octicons.git_branch,
+                    text: Text(S.of(context).branches),
+                    rightWidget: Text(
+                        (branch == null ? p.defaultBranch : branch) +
+                            ' • ' +
+                            branches.length.toString()),
+                    onTap: () async {
+                      if (branches.length < 2) return;
+
+                      await theme.showPicker(
+                        context,
+                        PickerGroupItem(
+                          value: branch,
+                          items: branches
+                              .map((b) => PickerItem(b.name, text: b.name))
+                              .toList(),
+                          onClose: (ref) {
+                            if (ref != branch) {
+                              theme.push(
+                                  context, '/gitee/$owner/$name?branch=$ref',
+                                  replace: true);
+                            }
+                          },
+                        ),
+                      );
+                    },
+                  ),
+                TableViewItem(
+                    leftIconData: Octicons.organization,
+                    text: Text('Contributors'),
+                    url: '/gitee/$owner/$name/contributors'),
               ],
             ),
             CommonStyle.verticalGap,
diff --git a/lib/screens/ge_search.dart b/lib/screens/ge_search.dart
index 957680f..4a5b438 100644
--- a/lib/screens/ge_search.dart
+++ b/lib/screens/ge_search.dart
@@ -131,7 +131,7 @@ class _GeSearchScreenState extends State<GeSearchScreen> {
           login: p.login,
           name: p.name,
           avatarUrl: p.avatarUrl,
-          bio: Text(p.htmlUrl),
+          bio: Text(p.bio != null ? p.bio : p.htmlUrl),
         );
       default:
         return IssueItem(